Only print debug info, if the flag is set. + Spaces.
Allow to prevent auto reset with in ActionFrequency.

This may/will be better for long term counting, because a seconds-range
"time ran backwards" will not erase all.
Remove vcliponly option for passable.
Spaces.
Commant + indentation.
Change quick-exit check for passable.

* Include the case for manhattan == 1.
* Use BlockProperties.isPassable.
Config change: blockchangeonly is false by default (changed earlier).